All amino acids are structurally the same, in that they contain a central carbon atom, an amine group, a lone hydrogen at. Our DNA is contained in our chromosomes. The thing that is different about each of the 20 amino acids is the make-up of the R group
B. By using specific examples of inferences that could be made using two laws of stratigraphy
Smoking and severe sunburn are linked to cancer.Getting a severe sunburn could lead to <span>melanoma skin </span><span>cancer and smoking could lead to lung cancer.
So the answer you are looking for is A. Cancer
I hope this helps!</span>
Oxygen is used for breathing
Chlorine is used for purifying water
Nitrogen is used for plants
Potassium is used in fertilizer
A. Earthquakes is the answer
